Comprehending

Sami was still not comprehending what was going on.

Sudden numbness, physical weakness, difficulty speaking and comprehending and loss of balance are all common symptoms of stroke.

A useful idiot or useful fool is a pejorative description of a person, suggesting that the person thinks they are fighting for a cause without fully comprehending the consequences of their actions, and who does not realise they are being manipulated by the cause's leaders or by other political players.